Table 6. Full-night sleep spindle parameters.

		Night slow spindles				Night fast spindles
		Mean	StD	Minimum	Maximum	Mean	StD	Minimum	Maximum
	Frequency (low)	10.901	0.594	9.524	12.194	12.820	0.495	11.822	13.911
	Frequency (high)	11.803	0.562	10.280	12.995	14.064	0.577	13.040	15.335
	Frequency (middle)	11.352	0.557	9.902	12.480	13.442	0.532	12.498	14.559
C3	Density	7.002	1.220	3.094	9.370	7.559	0.808	5.471	9.116
	Duration	1.412	0.475	0.804	3.176	1.133	0.141	0.863	1.418
	Mean amplitude	3.271	9.480	1.457	1.192	5.561	8.807	1.463	1.597
	Maximum amplitude	3.480	1.302	10.005	1.535	5.828	1.664	9.161	1.534
C4	Density	7.065	1.192	3.534	9.249	7.520	0.788	6.093	9.116
	Duration	1.422	0.474	0.816	3.189	1.134	0.137	0.866	1.428
	Mean amplitude	3.398	1.444	1.147	9.548	5.617	1.382	3.409	9.164
	Maximum amplitude	3.611	1.514	1.272	10.114	5.885	1.448	3.543	9.508
F3	Density	7.101	0.948	4.174	9.055	6.656	0.823	4.576	8.173
	Duration	1.471	0.467	0.867	3.151	1.056	0.116	0.835	1.319
	Mean amplitude	4.375	1.857	1.618	11.432	4.969	1.401	2.020	9.343
	Maximum amplitude	4.646	1.931	1.760	12.091	5.223	1.454	2.128	9.664
F4	Density	7.160	0.930	4.404	9.114	6.682	0.764	5.090	8.063
	Duration	1.474	0.464	0.873	3.148	1.059	0.118	0.831	1.303
	Mean amplitude	4.452	1.891	1.628	12.402	5.006	1.353	2.676	9.263
	Maximum amplitude	4.723	1.965	1.798	13.146	5.256	1.401	2.791	9.588
O1	Density	6.931	1.693	1.517	10.019	7.517	0.895	5.352	9.110
	Duration	1.380	0.496	0.757	3.238	1.140	0.140	0.856	1.407
	Mean amplitude	2.142	0.998	0.591	6.085	3.935	1.233	1.877	7.433
	Maximum amplitude	2.317	1.088	0.701	6.818	4.134	1.291	1.978	7.789
O2	Density	6.927	1.660	1.540	10.034	7.549	0.901	5.483	9.024
	Duration	1.382	0.498	0.788	3.239	1.138	0.137	0.855	1.428
	Mean amplitude	2.184	1.032	0.604	6.096	3.925	1.157	2.110	7.722
	Maximum amplitude	2.364	1.133	0.703	6.695	4.127	1.211	2.218	8.121